乙醇酸 Traditional form: 乙醇酸 Pinyin (reading): yǐchúnsuān Definitions: glycolic acid C2H4O3 Characters: 乙 - second; 2nd heavenly stem 醇 - rich, pure, as good as wine 酸 - tart, sour; spoiled; acid Traditional characters: 乙 - second; 2nd heavenly stem 醇 - rich, pure, as good as wine 酸 - tart, sour; spoiled; acid